button.fav-in,
button.fav-out {
    border: none;
}

.sb-sidenav-menu-favs {
    border-top: 1px silver solid;
    overflow: auto;
    height: 40%
}

a.fav-lnk {
    text-decoration: none;
    color: rgba(255, 255, 255, 0.5);
    display: flex;
    align-items: center;
    position: relative;
}